137106647 has 2 divisors, whose sum is σ = 137106648. Its totient is φ = 137106646.

The previous prime is 137106553. The next prime is 137106653. The reversal of 137106647 is 746601731.

It is a strong prime.

It is an emirp because it is prime and its reverse (746601731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137106647 - 2⁸ = 137106391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137106667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68553323 + 68553324.

It is an arithmetic number, because the mean of its divisors is an integer number (68553324).

Almost surely, 2^137106647 is an apocalyptic number.

137106647 is a deficient number, since it is larger than the sum of its proper divisors (1).

137106647 is an equidigital number, since it uses as much as digits as its factorization.

137106647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 137106647 is about 11709.2547585233. The cubic root of 137106647 is about 515.6474052437.

The spelling of 137106647 in words is "one hundred thirty-seven million, one hundred six thousand, six hundred forty-seven".